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NSF Internacional <br /> Standard 40 = Individual Wastewater Treatment Plants <br /> Week Beginning: November 8, 1.992 Plant Code. 4/108 <br /> Weeks Into Test. 3 <br /> Weekend Dosing. Sunday 450 dations Saturday- 450 gallons <br /> Monday��Tuesday Wednesday— Thursday—--Friday— <br /> , Dosed Volume (gallons), 450 x v 450 . „ ..­4W 450• ..._, -,450 450 <br /> Dissolved- aeration 1.4 1.7 _.7;2,,..� 2.9 <br /> Oxygen �. . chamber . i . . I <br /> (mg/L) • effluent 2.7 - .3.1 3.3 ,W 2.9 <br /> - _ influent m .. 17 — <br /> .� 17 .. -x 1T _.:15 �_n . _, ► 18 <br /> i <br /> r r <br /> aeration <br /> Temperature 19 19 18 fY. 18 18 <br /> f C) chamber , <br /> effluent 10 _ <11 : . _-'._ -17 15 - � .� 13. <br /> _ - influent W 7.4 .. —7 4 7 4 <br /> �E <br /> AH aeration "" 7.4 7.5 }�. 7.6 7.7 T.T <br /> _ chamber ; ; <br /> effluent 8.0 8.0 .--- - - 8.0 M 8.0 8.0 <br /> - . ftchemical influent 190 170 '150 •2010 - -. 1.10 <br /> Oxygen Demand <br /> (m9�t) effluent 5- . 5""- <5 ..» 5 <$ <br /> i <br /> influent `250 180— 170 190 <br /> Suspended <br /> Solids aeration chamber 10 <5 �5' 5.: <5 <br /> (mg/ ) <br /> - effluent . <5 . .<5 <5 ,. <5 <5 <br /> - influent 210— -150 _ - 150— ... . --280-- - 130 <br /> s Volatile - <br /> _ Suspended" aeration. ._.8.• <5 v <5 m. <5 <5 <br /> r Solids chamber <br /> f <br /> (mg/L) effluent - <5. .�. <5�. _ �,- <5 .... .� F <5 <5 <br /> 45 Minute <br /> Settleable aeration <5 <5 <5 ' <5 # <5 <br /> Solids chamber <br /> -(1) Site problem a Notes: <br /> .(2) Malfunction of system under test h r <br /> _ 4 ' <br /> (3) Weather problem <br /> (4)Other Y <br /> -TGS/3-92 <br /> C-3' • <br />